Fatal error: Uncaught Error: Interface "Symfony\Component\Config\FileLocatorInterface" not found in C:\xampp\htdocs\astra-backoffice\vendor\symfony\routing\Tests\Loader\FileLocatorStub.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\symfony\routing\Tests\Loader\FileLocatorStub.php on line 16